Hirohisa Iwamoto

Profile
Tenure
Mar 2024 – Present
Years in office
2.6 years
Name in Japanese
岩本浩久
Title at appointment
Representative Director, President, Executive Officer
Performance in office
Dentsu Soken
Performance in office
FY2023FY2025Change
Revenue¥142.6billion¥164.9billion+16%
Net margin10.3%9.9%−0.4pt
KamaiNawaIwamoto
Revenue¥164.9 billionNet margin9.9%2020/122025/122030/12
Revenue¥164.9 billionNet margin9.9%2020/122025/122030/12
Tenure

Tenure

Background

He joined Information Services International-Dentsu in April 1995. He became an Executive Officer in January 2018, a Managing Executive Officer in January 2021 and Senior Managing Executive Officer in charge of business operations in January 2023. Climbing the executive officer ladder without joining the board, he became Representative Director, President and Chief Executive Officer in March 2024, his 29th year with the company.

Education: Sophia University, School of Science and Engineering (1995)

Selection

In March 2024 he became Representative Director, President and Chief Executive Officer, succeeding Ryoichi Nawa. In the fiscal year before he took office, ended December 2023, consolidated revenue was ¥142.6 billion and operating income ¥21.0 billion, both up from ¥129.1 billion and ¥18.6 billion the year before. The parent, Dentsu Group, holds 61.78% of the shares.

Initiatives

In January 2024 the company took over Dentsu's think tank division, integrated it with two consulting subsidiaries, and changed its name from Information Services International-Dentsu to Dentsu Soken. Consolidated revenue grew from ¥142.6 billion in the year before he took office to ¥164.9 billion in the fiscal year ended December 2025, and operating income from ¥21.0 billion to ¥22.9 billion.

Career

Career

Dentsu Soken

Date Position
Apr 1995 Joined
Jan 2018 Executive Officer
Jan 2021 Managing Executive Officer
Jan 2023 Senior Managing Executive Officer, Head of Business
Mar 2024 Representative Director, President, Executive Officer
References 1

References (Japanese primary sources)

  • 電通総研 有価証券報告書【役員の状況】